9409894 has 8 divisors (see below), whose sum is σ = 15200640. Its totient is φ = 4343016.

The previous prime is 9409879. The next prime is 9409903. The reversal of 9409894 is 4989049.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9409894² = 177092210182472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9409894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180934 + ... + 180985.

It is an arithmetic number, because the mean of its divisors is an integer number (1900080).

Almost surely, 2^9409894 is an apocalyptic number.

9409894 is a deficient number, since it is larger than the sum of its proper divisors (5790746).

9409894 is a wasteful number, since it uses less digits than its factorization.

9409894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361934.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9409894 is about 3067.5550524807. Note that the first 3 decimals coincide. The cubic root of 9409894 is about 211.1194489987.

The spelling of 9409894 in words is "nine million, four hundred nine thousand, eight hundred ninety-four".